3D maps: surface-graph (z-levels, ramps, overhangs), network sync, feature negotiation - #3

Draft

OddlyDoddly wants to merge 7 commits into

feature/vulkanfrom

claude/exciting-ptolemy-0g5qdb

Commits on Jun 16, 2026

Add 3D map foundation: surface-graph data model, map-2.0 format, feature negotiation
claude
committed
a54b110
Phase 2: portal physics - cross-surface traversal and slope safety
claude
committed
62fbbba
Phase 3: network sync of surface ids (feature-gated)
claude
committed
bb8eaba
Phase 4 (partial): render walls/trails at their surface height
claude
committed
620c77d
Phase 4/5 (data): store buildings for extrusion; sample building
claude
committed
d7322b9
Merge remote-tracking branch 'origin/feature/vulkan' into claude/exciting-ptolemy-0g5qdb
claude
committed
e115190
Renderer: surface-height walls (instanced + Vulkan path) and building extrusion
claude
committed
bfb6409